#define  _CRT_SECURE_NO_WARNINGS
#include<stdio.h>

#include <stdio.h>
int main()
{
    int n = 0;

    while (scanf("%d", &n) != EOF)
    {

        for (int i = 0; i < n + 1; i++)
        {
            for (int j = 0; j < n - i; j++)
            {
                printf("  ");
            }
            for (int k = 0; k <= i; k++)
            {
                printf("*");
            }
            printf("\n");
        }

        for (int i = 0; i < n; i++)
        {
            for (int j = 0; j <= i; j++)
            {
                printf("  ");
            }
            for (int k = 0; k < n - i; k++)
            {
                printf("*");
            }
            printf("\n");
        }

    }
    return 0;
}
